<?php
/**
 * 时间
 * User: sunlight
 * Date: 2018/11/21
 * Time: 19:17
 */

namespace app\common\lib;


class Time{

    /**
     * 获取13位时间戳
     * @return string
     */
    public static function get13TimeStamp(){
        list($t1,$t2)=explode(' ',microtime());
        return $t2 . ceil($t1 * 1000);
    }

}